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Author Topic: connecting rod dt-1  (Read 7082 times)

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Offline von_sieben

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connecting rod dt-1
« on: October 18, 2013, 06:55:37 am »
hello, maybe some of you guys can help me here, i´m looking for a source to get a connecting rod for a dt-1 E from ´71. anybody? are there any alternatives from other models? thanks so much, michael
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Offline von_sieben

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Re: connecting rod dt-1
« Reply #1 on: October 18, 2013, 07:06:12 am »
does anybody know if this would fit? i know it´s a different partnumber, but what´s really the difference? http://www.ebay.de/itm/321230215497
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Offline OverTheHill

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Re: connecting rod dt-1
« Reply #2 on: October 18, 2013, 07:51:32 am »
Hi, DT1 piston port rod is about 5mm [guessing] different top the reed valve rod [DT2 on]. By memory the 'reed rod' is shorter but might be wrong. Might be able to do a comparison on the net somehow, i'll see what i can find out. DT1 thinking back is a 214 rod. Think the RT1 used the same rod despite a longer stroke--sorry, getting off track.
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Offline vandy010

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Re: connecting rod dt-1
« Reply #3 on: October 18, 2013, 07:51:50 am »
From memory its a #214 rod kit your chasing. Pro-x can supply
One from a later YZ250 that slips straight in...
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Offline OverTheHill

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Re: connecting rod dt-1
« Reply #4 on: October 18, 2013, 08:22:35 am »
there's a 214 rod on ebay shown as a 431 rod in the listing 18113361, $250 gosh--research it more i think to be sure 431 is the same just incase it's not. Other option i think i'd do [being a tight arse] is if there's say a 5mm longer rod--cheap as and common from a later yz or something, then i'd make a base plate. Or [don't tell anyone] i'd spin 5mm of the top of the piston & run the second ring only--nahh i wouldn't do that, probably not enough meat anyway through the middle. Did it to a 600 sidevalve aerial [ariel?] at work in the 60's jacking up our faithful sidecar pick up bike--one kick & it went 'poof' & fell in--damn.
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Offline von_sieben

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Re: connecting rod dt-1
« Reply #5 on: October 18, 2013, 08:42:22 am »
thanks a lot, yeah, spinning sounds adventourus, but the baseplate might be a solution.
maybe anybody has some more info?
has anybody tried something from pro-x? dt-1´s are not listed there anymore.
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Offline firko

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Re: connecting rod dt-1
« Reply #6 on: October 18, 2013, 09:14:22 am »
The 214 rod was used in many Yamaha models for over a decade. The rod and kits are often found on eBay.
Here's on in the UK...a tad closer to Germany ;D. Cheap too.
http://www.ebay.com/itm/Yamaha-DT-250-DT-400-DT250MX-DT400MX-Mitaka-Conrod-kit-Con-rod-/300926604194?pt=UK_Motorcycle_Parts&hash=item46109f93a2
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'68 Yamaha DT1 enduro, '69 Yamaha 'DT1 from Hell' '69 DT1'Dunger from Hell, '69 Cheney Yamaha 360, 70 Maico 350 (2 off), '68 Hindall Ducati 250, Hindall RT2MX, Hindall YZ250a , Cycle Factory RT2MX flat tracker, Yamaha 1T250J, Maico 250 trials, '71, Boyd and Stellings TM400, Shell OW72,750 Yamaha

Offline von_sieben

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Re: connecting rod dt-1
« Reply #7 on: October 18, 2013, 10:04:27 am »
thanks a lot, that really helps.
just curious, where does that number 214 come from? and is the one i posted earlier the same kit? askin because my friend ordered already instead of waiting for advise from the gurus here..

this one: http://www.ebay.de/itm/321230215497
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Offline Iain Cameron

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Re: connecting rod dt-1
« Reply #8 on: October 20, 2013, 07:26:12 pm »
214 is the original 68 dt1 lead # . Iain
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Yamaha tragic ; dt1, rt1, dt2, rt2, dt2mx , rt2mx , mx250, mx360,sc500, 74dt125, yzx125, yzc250, yzc400, yzd250, yzd400, yzh250, yzh80 , dt100 , xr75 ko xr80 03 , it175 82 . Not a member of any club

Offline ARN

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Re: connecting rod dt-1
« Reply #9 on: October 20, 2013, 07:54:42 pm »
the ones on eBay are for a 250s ,nos has 498 stamped on rod ,the rod with 214 stamped on is the same as yz400d ,don't know if it fits other motors but it is defiantly rare and not the same as these cheaper copy's .
I have heard a rumour that there is a later model 250 con rod that can be used ?
the kit that is on eBay he doesn't show you the rod part numbers ,he has worked out which rod it is .
cheers Arno  72
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Offline crossedup2

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Re: connecting rod dt-1
« Reply #10 on: October 23, 2013, 12:17:19 pm »
Hi All

431-11651-00-00 ROD, CONNECTING - use "prox" no. 03.2304 yamaha yz250 '83-89 (24y-11651-01) with washers.

http://www.boats.net/parts/detail/yamaha/Y-431-11651-00-00.html

http://www.ebay.com.au/itm/ProX-Connecting-Rod-Kit-03-2304-/390675808751#ht_1612wt_1164

Good Luck

Peter B
« Last Edit: October 23, 2013, 12:25:46 pm by crossedup2 »
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Anything Yamaha. AT1, CT1 (X3), RT1, DT3 (x3), YZ125X,  YZ250E, YZ400D, IT175E, IT250H, XR500RC . Always looking for Pre 78 Yamaha stuff....

Offline Iain Cameron

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Re: connecting rod dt-1
« Reply #11 on: October 23, 2013, 08:24:18 pm »
Just remember guys the piston port is different from reed motor so if he has a DT1e motor with ne reed vlv he needs a 214 only the later ones with have the piston hitting the head . there was a long thread on this subject a Cpl of years ago . come in Firko or Nifty . Iain
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Yamaha tragic ; dt1, rt1, dt2, rt2, dt2mx , rt2mx , mx250, mx360,sc500, 74dt125, yzx125, yzc250, yzc400, yzd250, yzd400, yzh250, yzh80 , dt100 , xr75 ko xr80 03 , it175 82 . Not a member of any club

Offline von_sieben

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Re: connecting rod dt-1
« Reply #12 on: November 10, 2013, 06:14:26 am »
thanks for all your help so far, since i´ve bought that doesn´t fit already i just want to be sure this time. can anybody confirm that this one will fit a dt-1? i found the info that 214-11651-00-00 is superseded by YAMAHA-431-11651-00-00, so i guess this should fit?
http://www.ebay.com.au/itm/Yamaha-YZ360-RT1-YZ250-RT3-YZ400-DT360-Connecting-Rod-KIT-Genuine-OEM-NOS-NEW-/400470433866
thank you very much for your help!

sorry, that was the wrong auction, please check this:
http://www.ebay.com/itm/Yamaha-MX250-MX360-Connecting-Rod-Kit-Replaces-Yamaha-431-11651-00-00-NEW-/171121183609
« Last Edit: November 10, 2013, 10:52:20 am by von_sieben »
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Offline ARN

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Re: connecting rod dt-1
« Reply #13 on: November 10, 2013, 08:26:02 am »
I would be contacting him as he mentions the dt 1 as another auction item but when you search for it the same one you have listed comes up.
cheers Arno
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Offline von_sieben

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Re: connecting rod dt-1
« Reply #14 on: November 10, 2013, 10:51:20 am »
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